and described by a federal magistrate at lucid. now they want to question the wifeoftamerlantsarnaev.what does she know? also a terrorist suspect living right under our noses. did they show any signs of hate america? you will hear from a neighbor who knows both brothers. one with whom he had a discussion with the bible. we have word of another terror plot. the latest coming up. [ male announcer ] from the way the bristles move to the way they clean, once you try an oral-b deep sweep power brush, you'll never want to go back. its dynamic power bristles reach between teeth to remove up to 76% more plaque than sonic in hard to reach areas. oral-b deep sweep 5000 power brush. by the armful? by the barrelful? e carful? how about...by the bowlful? campbell's soups give you nutrition, energy, and can help you keep a healthy weight. campbell's. it's amazing what soup can do. >> do you know who katheryn russell is? well, she is tamerlan tsarnaev's wife, now widow. federal authorities want to question her about her husband and brother-in-law. did katheryn russell tsarnaev have any clue about the bo

says she was at work and assumedthattamerlanwaswatching her two and a half-year-old daughter, you know. clearly according to authorities at that point, that's not the case. >> who was watching the child? maybe the plot thickens? is somebody else involved? maybe tamerlan said i'm going to go bomb the marathon, can you watch my child? >> you know, who knows who was watching the child at this point. i'm not sure if the child was duly at this north kings townhome or was up in cambridge where i know they also had an apartment. the lawyer says that they actually lived here the vast majority of the time and also at this north kings townhome i'm told the younger brother, dzhokhar, he would also come on the weekends and spend a lot of time here in speaker when he wasn't as school. >> steve, thank you. coming up, do you know what your neighbors are up to? the man living right underneath an accused bomber tells us what he knows about him. he joins us next. also is the threat really over or were the accused boppers linked to foreign terrorists? groups gunning for the u.s. groups gunning for t